Legal Insights

Plain-language guides and case briefs on Philippine law — researched from the firm's law library of 184,000+ statutes, Supreme Court decisions, and agency issuances, and written so non-lawyers can understand and act on them.

Showing 117 of 17 articles for petron

Search Warrant Validity: Compelling Reasons Needed for Out-of-Jurisdiction Applications

Supreme Court clarifies that "compelling reasons" for out-of-jurisdiction search warrant applications require substantial evidence, not bare claims of information leakage.

Unfair Competition as a Continuing Offense: What the Petron v. Yao Ruling Means

The Supreme Court clarifies when selling counterfeit goods is a continuing offense, affecting jurisdiction and prosecution strategy.

Self-Defense and Unlawful Aggression: Key Lessons from Napone v. People

The Supreme Court clarifies when self-defense and defense of relatives fail, and how unlawful aggression must be proven in Philippine homicide cases.

Search Warrants Beyond Territorial Limits: Compelling Reasons Under Rule 126

When may a judge issue a search warrant outside his court's territorial jurisdiction? The Supreme Court explains "compelling reasons" under Rule 126.

Upholding Public Safety: Supreme Court Invalidates Ordinance Permitting Oil Depots in Densely Populated Area

The Supreme Court strikes down Manila Ordinance No. 8187 for allowing oil depots to remain in densely populated Pandacan, reaffirming the primacy of public safety and health.

PEZA Tax Exemption Clarified: Who Can Claim Excise Tax Refunds

Supreme Court clarifies that PEZA-registered enterprises can claim excise tax refunds on petroleum products used indirectly in their operations.

Mortgage in Good Faith: Banks vs Unregistered Land Sales in the Philippines

When does a bank lose protection as a mortgagee in good faith? The Supreme Court clarifies the rule on unregistered land sales.

Protecting Trademarks: Unauthorized Refilling Constitutes Infringement And Unfair Competition

Unauthorized refilling of LPG cylinders bearing registered trademarks is trademark infringement and unfair competition, the Supreme Court ruled.

Good Faith and Land Titles: Resolving Ownership Disputes in the Philippines

Learn how the Supreme Court balances Torrens titles against good faith in ownership disputes, and why buyers must investigate suspicious circumstances.

Emancipation Patents and Land Ownership: Protecting Agrarian Reform Beneficiaries

Learn how emancipation patents vest absolute ownership in farmer-beneficiaries, and why temporary surrender of possession does not mean abandonment.

Local Taxing Powers vs National Policy: Navotas Cannot Tax Petroleum Sales

Supreme Court rules local governments cannot impose business taxes on petroleum products under (h) of the Local Government Code.

Local Government Authority and Ordinance Enforcement: A Guide for Businesses

Learn how the Supreme Court affirmed a city mayor's duty to enforce local ordinances, and what this means for businesses operating under reclassified zones.

Tax Exemptions for Export Zones: Balancing Investment Incentives and Revenue Collection

Philippine Supreme Court ruling on tax exemptions for export zone enterprises under PD 66, clarifying refund rights for customs duties on supplies.

When Agents Exceed Authority Understanding Reimbursement Rights IN Philippine LAW

Philippine Supreme Court ruling on agency, reimbursement rights, and the limits of an agent's authority under civil law.

Docket Fees and the Right to Amend: Balancing Access to Justice in Patent Infringement Cases

Philippine Supreme Court ruling on docket fees, amendments to complaints, and equitable access to justice in patent cases.

Philippine Oil Deregulation Upheld: Supreme Court Defers to Market Freedom and Congress

The Supreme Court upheld oil deregulation under RA 8479, ruling that price controls are policy choices for Congress, not constitutional requirements.

Self-Defense and Treachery: Understanding Criminal Liability in Philippine Law

A look at how Philippine courts weigh self-defense claims against treachery in murder cases, using the Lapura ruling.